high accuracy ultrasonic water tank level sensor level transmitters level meter

The emission angle is less than 3 ¡ã, which is suitable for narrow space or guided wave pipeline measurement
Measuring range could reach to 120M, which is suitable for the measurement of large storage tanks
Measurement dead zone is in the range of 7-8CM, suitable for the measurement of small storage tanks

Two wire Ultrasonic level meter sensor emits the ultrasonic wave to measure the distance by measuring the time between the wave emission and reception. Ultrasonic level tank meter is a cost-effective and reliable solution. For measuring liquid and solid level at ranges of up to 30 meters. It support direct reading on the LCD display, and output 4-20mA and HART.
Range:4-30m
Application:Liquid / Solid
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM non contact ultrasonic level meters are all well tested in Q&T factory. Q&T professional engineers will test every piece of level meters and provide calibration reports in shipping box. To save freight cost, Q&T team design small size and safety export standard carton boxes for users.

QTLM ultrasonic level transmitter all input and output lines must be with such protection functions as lightning protection and short circuit
prevention.
QTLM Liquid tank level sensor wave spread speed among gas is influenced by gas temperature, When level meter works, it measures gas temperature needing, compensates for the velocity of sound, so as to ensure the precision of measuring.

Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Q&T Non Contact Ultrasonic Level Gauge has optional Output: 4-20 mA, relay and Hart etc; This ultrasonic liquid level transmitter can easily connect up to most systems. Ultrasonic level Sensor Material optional ABS, PVC, PTFE; Anti-corrosive with PTFE Probe.

Specifications:
Measuring Range: liquid: 0.2-30 m
Process Connection: G2 Thread/ M95*2.0
Energy Transducer Material: ABS, PVC, PTFE
Temperature: -40~ 75 Deg C
With automatic Temperature compensation.
Process Pressure: ¡À 0.1MPa
Precision: 0.2% of actual range
Signal output: 4-20mA (Option:HART)
Power Supply: DC20V~32V ¡Ý30mA
Mode of Indication: 4 Digit LCD

Magnetic level gauge work on the principle of buoyancy, the float moves up and down with the rise and fall of the liquid level in the measuring tube, therefore the level in the measuring chamber will be the same as the level in the silo/vessel. The measuring chamber is fitted with a float, which has a magnet inside.
Measuring range: 300¡«15000mm
Measurement accuracy: ¡À5mm or ¡À10mm
Working pressure: 1.0, 1.6, 2.5, 4.0, 6.4 ,10,16.0MPa
Working temperature: ¡Ü550¡æ
Medium viscosity: ¡Ü0.02Pa.S
Output signal: two-wire system 4¡«20mADC or HART protocol or four-wire system 485 digital output
Explosion-proof grade: Exdll CT6
Protection level: IP66

QTLM series Ultrasonic level transmitter adopt the time of flight measuring principle, widely used for liquid, slurry and solid level tank. 4-20mA ultrasonic level sensor adopt advanced clamp type terminal, to ensure that wiring never loose and remains accurate.

Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Ultrasonic level tank meter is widely used in rivers, water and sewage treatment, water supply, electric power, urban sewage channels and some other related fields. Liquid tank level sensor adopt Advanced since the clamp type terminal, to ensure that wiring never loose.
Range:4-30m
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%
Protection:IP65

QTLM series Ultrasonic level meter featured by strong anti-interference performance; free setting of upper and lower limits and online output regulation, on-site indication, optional analog, switching value, and RS485 output and easy connection with main unit. The cover, made of waterproof engineering plastics, is small and firm with ABS probe. Therefore, it is applicable for various fields concerning level measuring and monitoring. According to the practical situation, it also can add other modules, such as RS 485, current output; it can be match with PLC better.It’s a cost-effective and reliable solution.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Q&T High Accuracy Ultrasonic Level Gauge is a kind of non-contact, high reliability, and easy installation level measuring instrument. The Wireless Ultrasonic Liquid Tank Level Meter Sensor can be widely
applied to the water supply, food industry, chemical, electricity and oil industries.

Specifications:
Measuring Range: liquid: 0.2-30 m
Process Connection: G2 Thread/ M95*2.0
Energy Transducer Material: ABS, PVC, PTFE
Temperature: -40~ 75 Deg C
With automatic Temperature compensation.
Process Pressure: ¡À 0.1MPa
Precision: 0.2% of actual range
Signal output: 4-20mA (Option:HART)
Power Supply: DC20V~32V ¡Ý30mA
Mode of Indication: 4 Digit LCD

Frequency: 76GHz ~ 81GHz, 5GHz FMCW bandwidth
Measuring range: 0.3 m ~ 60m
0.08m~30m
0.6m ~ 120m
Measurement accuracy: ¡À1mm
Beam angle: 3¡ã/8¡ã
Power: 15~28VDC
Communication: MODBUS
HART/Series
Signal output: 4 ~ 20mA or RS-485

Measuring Range:100m
Frequency Range: 80GHz
Output: 4-20mA/HART
Accuracy: ¡À15mm
Process Pressure: -0.1 ~ 4 MPa
Housing material: Stainless Steel
Process connectio: Flange

Measuring Range: 70m
Frequency Range: 26GHz
Output: 4-20mA/HART
Accuracy: ¡À15mm
Process Pressure: -0.1 ~ 4 MPa
Housing material: Stainless Steel
Process connectio: Flange

Ultrasonic fuel tank level sensor adopt ultrasonic technology is a good choice for level applications that require low cost, non-contact liquid slurry and solid level measurement. Especially for sewage treatment, paper pulp, urban water supply etc.
Ultrasonic level transmitter support 4-20mA two wire and HART communication, which is very convenient for customer’s application.
Range:4-30m
Output:4-20mA/HART
Connection:Thread/Flange
Power:DC24V
Accuracy:0.5%
Protection:IP65

The beam angle can reach 3¡ã, and the energy is more focused, effectively
avoiding false echo interference;
High frequency signal, can effectively measure the level of medium with low
dielectric constant (¦Å¡Ý1.5);
Strong anti-interference, almost unaffected by dust, steam, temperature and
pressure changes;

QTLM Series Ultrasonic level transmitter time of flight measuring principle, the sensor emits the ultrasonic wave to measure the distance by measuring the time between the wave emission and reception. Water tank fuel oil level sensor is compact version, loop-powered 4-20mA for continuous measurement of liquid and solid tanks.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

Q&T offers Magnetic Level Gauges in top-bottom, top and side mounted construction with two types of indicator systems. Magnetic Level Gauge is consists of three major components: Float Chamber, Float and Indicator System; It also can add the reedchain for an analog output signal, that’s 4-20mA Magnetic Level Indicator.
Measuring range: 300¡«15000mm
Measurement accuracy: ¡À5mm or ¡À10mm
Working pressure: 1.0, 1.6, 2.5, 4.0, 6.4 ,10,16.0MPa
Working temperature: ¡Ü550¡æ
Medium viscosity: ¡Ü0.02Pa.S
Output signal: two-wire system 4¡«20mADC or HART protocol or four-wire system 485 digital output
Explosion-proof grade: Exdll CT6
Protection level: IP66

QTLM ultrasonic level sensor emits ultrasonic pulses in the direction of the medium,which support various connections like thread or flange connection type which is much easier for user.QTLM series Ultrasonic level transmitter have full-screen self-illumination,easy setting and debugging of liquid level measurement.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

This non Contact PTFE liquid level sensor 4-20mA milk ultrasonic level meter is a High accuracy OEM available wastewater Level meter, top quality 4-20mA output and optional Hart Communication. This sanitary ultrasonic level transmitter is widely used on chemical tank, food industry milk level, water level etc.

Specifications:
Measuring Range: liquid: 0.2-30 m
Process Connection: G2 Thread/ M95*2.0
Energy Transducer Material: ABS, PVC, PTFE
Temperature: -40~ 75 Deg C
With automatic Temperature compensation.
Process Pressure: ¡À 0.1MPa
Precision: 0.2% of actual range
Signal output: 4-20mA (Option:HART)
Power Supply: DC20V~32V ¡Ý30mA
Mode of Indication: 4 Digit LCD

Ultrasonic level transmitter is a kind of continuous level measurement device. Widely used for liquid, slurry and solid level tank, with the feature of Non-contact and maintenance-free. Ultrasonic level gauge adopt temperature compensation technology which could make level measurement more accurate and stable.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM Ultrasonic level gauges/Ultrasonic level transmitter includes several proprietary technologies, is safe and clean, with high precision and long service life, stable and reliable, and convenient to install and maintain, and is applicable to various fields of acid, alkali, salt, anticorrosion, and high temperature.Ultrasonic wave spread speed among gas is influenced by gas temperature, When level meter works, it measures gas temperature needing, compensates for the velocity of sound, so as to ensure the precision of measuring.Ultrasonic pulses generated by the sensor (transducer) emitted in the measurement, the surface acoustic wave after reflection by the liquid receiving same sensor or an ultrasonic receiver.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Application: Liquid: mildly/strongly corrosive liquid
Measuring range: 30m / 100m
Process connection:Thread
Process temperature: (-40¡«90)¡æ
Process pressure: (-0.1¡«0.1)MPa
Accuracy: ¡À2mm / ¡À10mm
Antenna/Material: Lens antenna / PP or PTFE
Frequency rate: 80GHz

QTLM ultrasonic level transmitter is featured by strong anti-interference performance; free setting of upper and lower limits and online output regulation, on-site indication. The cover, made of waterproof engineering plastics, is small and firm with ABS probe or PTFE probe selectable . Therefore, it is applicable for various fields concerning level measuring and monitoring.

Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM series Ultrasonic level meter adopt a scientific echo tracking algorithm to effectively capture the true echo.The internal temperature compensation (speed, frequency) makes the measurement more accurate and reliable.it has Analog quantity, switch output;The measurement is not affected by the liquid density and the electrical characteristics of the material.Electronic equipment can be replaced without opening the tank.There are many reasons why QTLM ultrasonic level devices are the industry standard for so many applications.
Accuracy. Price point. Durability. Ease of use.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM series Ultrasonic level meter is a non-contact, high reliability, cost-effective, easy to install and maintain level measurement instruments and easily configured by menu button and could give precision and accuracy for real-time measurement. the new generation ultrasonic level meter is developed through our company¡¯s many years¡¯ efforts and our company own the completely independent property rights of it.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Small beam angle , the energy can be concentrated, enhance the ability of echo and to avoid interference.
Antenna is in small size,easy to install.
A shorter wavelength, the reflection of solid surface inclination is better.
Good working performance in serious dust solid environment.
Smaller measuring blind area,measuring result will be more accurate.
No corrosion,no pollution,friendly to human and environment

Q&T sanitary ultrasonic level Gauge is a digital level meter with high- performance microprocessor to process signals; It meets the requirements of material level without the contact. It can be widely used for level measurement of municipal river, urban groundwater level, sewage treatment station, water works, etc.

Specifications:
Measuring Range: liquid: 0.2-30 m
Process Connection: G2 Thread/ M95*2.0
Energy Transducer Material: ABS, PVC, PTFE
Temperature: -40~ 75 Deg C
With automatic Temperature compensation.
Process Pressure: ¡À 0.1MPa
Precision: 0.2% of actual range
Signal output: 4-20mA (Option:HART)
Power Supply: DC20V~32V ¡Ý30mA
Mode of Indication: 4 Digit LCD

The product has a wealth of echo processing algorithms and empirical data of
various working conditions; it is used for extremely harsh working conditions such as
strong dust, steam, or special process storage tank applications such as stirring and
heating rods, which are not available in other similar products unique advantage.

QTLM series Ultrasonic level meter no moving parts, and it can measure level without making physical contact with the object. This typical characteristic of the transmitter is useful for measuring levels in tanks with corrosive, boiling and hazardous chemicals. The accuracy of the reading remains unaffected even after changes in the chemical composition or the dielectric constant of the materials in the process fluids.QTLM series Ultrasonic level meter Widely Used Solutions. Consistently Accurate Results.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Higher signal-to-noise ratio, almost unaffected by level fluctuations;
The measurement accuracy is millimeter-level accuracy (1mm), which can be
used for metrology-level measurement;
The measurement blind area is small (3cm), and the effect of measuring the liquid
level of small storage tanks is better.